1) Intravenous - g). blood transfusion
2) Rectal - f). suppositories
3) Oral - b). tablets and capsules
4) Topical - a). lotions, creams, ointment
5) Inhalation - h). aerosol medication
6) Intrathecal - d). lumbar puncture
7) Intramuscular - e). deep injection, usually in buttock
8) Intradermal - c). skin testing for allergy